/*
 * Copyright 2015-2019 The OpenZipkin Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package zipkin2.elasticsearch.internal;

import zipkin2.elasticsearch.ElasticsearchStorage;
import zipkin2.elasticsearch.internal.client.HttpCall;

/**
 * Escalate internal APIs so they can be used from outside packages. The only implementation is in
 * {@link ElasticsearchStorage}.
 *
 * <p>Inspired by {@code okhttp3.internal.Internal}.
 */
public abstract class Internal {
  public static Internal instance;

  public abstract HttpCall.Factory http(ElasticsearchStorage storage);
}
